Rei vs Aiko

Baby Name Comparison — 2026

Rei

Boy #3,800 Most Popular 1 Syllable

"courtesy, respect, gratitude"

Origin: Japanese kanji 礼

Japanese American Brazilian

✓ All Clear

Boy #10,540 Most Popular 3 Syllables

"child of love"

Origin: Japanese

Japanese

✓ All Clear

Rei Rank #3,800

Aiko Rank #10,540

Rei is more popular, ranked #3800 vs #10540 for Aiko.

Is Rei or Aiko more popular?

Rei is more popular, ranked #3800 compared to Aiko at #10540 in the United States.

What do Rei and Aiko mean?

Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin). Aiko means "child of love" (Japanese origin).

Are Rei and Aiko boy or girl names?

Rei is primarily a boy name. Aiko is primarily a boy name.